mirror of
https://github.com/bakkeby/dwm-flexipatch
synced 2024-11-16 21:28:03 +00:00
31 lines
584 B
C
31 lines
584 B
C
static int dwmblockssig;
|
|
pid_t dwmblockspid = 0;
|
|
|
|
int
|
|
getdwmblockspid()
|
|
{
|
|
char buf[16];
|
|
FILE *fp = popen("pidof -s dwmblocks", "r");
|
|
if (fgets(buf, sizeof(buf), fp));
|
|
pid_t pid = strtoul(buf, NULL, 10);
|
|
pclose(fp);
|
|
dwmblockspid = pid;
|
|
return pid != 0 ? 0 : -1;
|
|
}
|
|
|
|
void
|
|
sigdwmblocks(const Arg *arg)
|
|
{
|
|
union sigval sv;
|
|
sv.sival_int = (dwmblockssig << 8) | arg->i;
|
|
if (!dwmblockspid)
|
|
if (getdwmblockspid() == -1)
|
|
return;
|
|
|
|
if (sigqueue(dwmblockspid, SIGUSR1, sv) == -1) {
|
|
if (errno == ESRCH) {
|
|
if (!getdwmblockspid())
|
|
sigqueue(dwmblockspid, SIGUSR1, sv);
|
|
}
|
|
}
|
|
} |